The United States is the second-largest single consumer of energy in the world. The U.S. Department of Energy categorizes national energy use in four broad sectors: transportation, residential, commercial, and industrial.

Home energy storage refers to residential energy storage devices that store electrical energy locally for later consumption. Usually, electricity is stored in lithium-ion rechargeable batteries, controlled by intelligent software to handle charging and discharging cycles.

Jacob Arabo (born Yakov Arabov; June 3, 1965) is an American jeweler and watchmaker who founded Jacob & Company in 1986 and grew it to become an international luxury brand. He began strictly as a jeweler with designs that appealed to celebrities who became regular customers.

Berkshire Hathaway Energy (BHE) is an American energy holding company and a wholly owned subsidiary of Berkshire Hathaway. The company is headquartered in Des Moines, Iowa.

China Sunergy CSUN (Chinese: 中电光伏) is a Chinese solar cell products manufacturer based in Nanjing, Jiangsu. The company specializes in creating solar cells from silicon wafers.

New York energy law is the statutory, regulatory, and common law of the state of New York concerning the policy, conservation, taxation, and utilities involved in energy. Secondary sources have also influenced energy law in New York.

Energy subsidies are government payments that keep the price of energy lower than market rate for consumers or higher than market rate for producers. These subsidies are part of the energy policy of the United States.

Shell Energy Retail Limited was a British consumer gas, electricity and broadband provider. Formerly a subsidiary of Shell, the business was acquired by Octopus Energy in December 2023.

Star Energy is a British oil, gas and geothermal company. It was a British onshore oil exploration company until it was acquired by IGas Energy in December, 2011.

Extra Energy Supply Ltd (trading as extraenergy) was an independent retail energy supplier based in Birmingham, England. It supplied gas and electricity to domestic and small business customers.